Gold Desorption From Activated Carbon With Alkaline Alcohol Solutions

The American Institute of Mining, Metallurgical, and Petroleum Engineers
H. J. Heinen D. G. Peterson R. E. Lindstrom
Organization:
The American Institute of Mining, Metallurgical, and Petroleum Engineers
Pages:
14
File Size:
391 KB
Publication Date:
Jan 1, 1976

Abstract

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Alkaline alcohol solutions were investigated by the Federal Bureau of Mines for improving the desorption rate of gold and silver from metal-laden activated carbon generated in gold processing circuits. Factors affecting the desorption, such as temperature, alcohol content, type of alcohol, and alkalinity, were studied. Nearly complete metal desorption was obtained in 5 to 6 hr at 80º C using a solution containing about 20 vol-pct alcohol and 1 pct sodium hydroxide. Sodium sulfide was shown to be effective for selectively precipitating silver from the carbon strip solutions, thereby providing a means for producing high- purity gold by subsequent electrolysis.
Citation

APA: H. J. Heinen D. G. Peterson R. E. Lindstrom  (1976)  Gold Desorption From Activated Carbon With Alkaline Alcohol Solutions

MLA: H. J. Heinen D. G. Peterson R. E. Lindstrom Gold Desorption From Activated Carbon With Alkaline Alcohol Solutions. The American Institute of Mining, Metallurgical, and Petroleum Engineers, 1976.

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